TECHTOP TD350 - Page 102

TD350 Series VFD Basic operation instructions
-97-
Set
value
Function
Description
10
Frequency increase (UP)
Used to change the frequency-increase/decrease
command when the frequency is given by external
terminals.
K1
K2
K3
UP terminal
DOWN terminal
UP/DOWN
Zeroing terminal
COM
The terminal used to clear frequency-increase/decrease
setting can clear the frequency value of auxiliary channel
set by UP/DOWN, thus restoring the reference frequency
to the frequency given by main reference frequency
command channel.
11
Frequency decrease
(DOWN)
12
Clear frequency
increase/decrease setting
13
Switching between A setting
and B setting
This function is used to switch between the frequency
setting channels.
A frequency reference channel and B frequency
reference channel can be switched by no. 13 function;
the combination channel set by P00.09 and the A
frequency reference channel can be switched by no. 14
function; the combination channel set by P00.09 and the
B frequency reference channel can be switched by no. 15
function.
14
Switching between
combination setting and A
setting
15
Switching between
combination setting and B
setting
16
Multi-step speed terminal 1
16-step speeds can be set by combining digital states of
these four terminals.
Note: Multi-step speed 1 is low bit, multi-step speed 4 is
high bit.
Multi-step
speed 4
Multi-step
speed 3
Multi-step
speed 2
Multi-step
speed 1
BIT3
BIT2
BIT1
BIT0
17
Multi-step speed terminal 2
18
Multi-step speed terminal 3
19
Multi-step speed terminal 4
20
Multi-step speed pause
Pause multi-step speed selection function to keep the set
value in present state.
21
Acceleration/deceleration
time selection 1
Use these two terminals to select four groups of
acceleration/decoration time.